CN209564469U - A kind of digital display type needleless introducing apparatus - Google Patents
A kind of digital display type needleless introducing apparatus Download PDFInfo
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- CN209564469U CN209564469U CN201822025199.XU CN201822025199U CN209564469U CN 209564469 U CN209564469 U CN 209564469U CN 201822025199 U CN201822025199 U CN 201822025199U CN 209564469 U CN209564469 U CN 209564469U
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Abstract
The utility model discloses a kind of digital display type needleless introducing apparatus, including import shell, and ampoule mounting hole is arranged in installation cavity one end, and the first spring mounting groove does not run through importing shell, and switch through slot is connected to through importing shell and with installation cavity；Shell is imported far from ampoule mounting hole one end outer wall by assembling on the inside of screw thread and adjusting knob by threaded engagement, retaining ring is further fixed on the inside of adjusting knob, is provided with back stop slot on the inside of retaining ring；And back stop slot and retaining protrusion snap-fit, retaining protrusion are packed into the retaining mounting hole of pressing ring；Pressing ring is packed on the inside of retaining ring, pressing ring and pressure spring assembly, and the pressure spring other end and the spring suit part to press on axis are set with；Pressure axis is set on the one end of part far from spring and is provided with press fit hole, and the axis that presses is provided with limiting stand, limiting stand and the clamping of interior trigger one end with switch slot corresponding position；Swivel pin passes through the outer trigger assembly fixation of the trigger slot side, interior trigger middle section and the trigger slot other side of outer trigger.
Description
Technical field
The utility model relates to one kind, more particularly to a kind of digital display type needleless introducing apparatus.
Background technique
Needleless introducing apparatus also becomes needleless injector, and drug is imported epidermis by pore by momentary pulse pressure
Interior, so that skin absorbs the drug, and whole process does not need needle thorn, therefore can reduce the pain of sufferer, Er Qieyou
It is punctured in no syringe needle, cross-infection probability is greatly reduced.Needleless introducing apparatus has been widely used for human injection, moves at present
Object injection.
But the pressure that current needleless introducing apparatus applies drug is non-adjustable, therefore, drug imports the depth of skin
It is non-adjustable.After study, the different depth that drug imports skin will have a direct impact on the absorption of drug, and different drugs needs to lead
The depth entered is also different.Therefore, applicant proposes a kind of controllable needleless introducing apparatus component of importing depth, can pass through adjusting pair
The instantaneous pressure that drug applies adjusts the depth that drug imports skin, to adapt to and the injection or importing of different pharmaceutical.
Utility model content
In view of the above drawbacks of the prior art, the technical problem to be solved by the utility model is to provide a kind of digital display types
Needleless introducing apparatus.
To achieve the above object, the utility model provides a kind of digital display type needleless introducing apparatus, including, shell is imported, is led
Entering interior of shell is hollow installation cavity, and imports on shell and be also respectively provided with the first spring mounting groove, switch through slot, ampoule
Mounting hole, the ampoule mounting hole are arranged in installation cavity one end, and first spring mounting groove does not run through importing shell, institute
The switch through slot stated is connected to through importing shell and with installation cavity；
The importing shell is far from ampoule mounting hole one end outer wall by being revolved on the inside of screw thread and adjusting knob by screw thread
It attaches together and matches, retaining ring is further fixed on the inside of the adjusting knob, is provided with back stop slot on the inside of retaining ring；
And the back stop slot and retaining protrusion snap-fit, the retaining protrusion are packed into the retaining mounting hole of pressing ring
It is interior；
The pressing ring is packed on the inside of retaining ring, pressing ring and pressure spring assembly, the pressure spring other end and pressure
Spring suit part on axis is set with；The pressure spring, pressure axis are installed in installation cavity；
The pressure axis is set on the one end of part far from spring and is provided with press fit hole, and press axis and switch slot pair
Should place be provided with limiting stand, the limiting stand and the clamping of interior trigger one end；
Swivel pin passes through the outer trigger assembly of the trigger slot side, interior trigger middle section and the trigger slot other side of outer trigger
It is fixed；
The importing shell is provided with ampoule mounting hole one end and guide sleeve assembly is fixed, and guide sleeve outer sheath is equipped with peace
Loopful, when original state, safety collar is held out against with retention bead.
Preferably, separate import on the inside of shell one end of retaining ring is provided with guiding surface.
Preferably, the back stop slot by the retaining face vertical with retaining ring axis and with the inclined compression of retaining ring axis
Face is constituted, and the compressing surface is obliquely installed from outside to inside, to pressure axis direction.
Preferably, the first spring fixed station, institute are provided on one end that the retaining protrusion is packed into retaining mounting hole
The first spring fixed station and retaining the spring one end assembly stated are fixed, and the retaining spring other end and the assembly of second spring fixed station are solid
Fixed, second spring fixed station is arranged on retaining fixed block, and the retaining fixed block, retaining spring are packed into retaining mounting hole
Interior, the retaining mounting hole is connected to retaining fixation hole, after fixing screws pass through a part of retaining fixation hole, retaining fixed block
It is assembled and is fixed by threaded engagement with another part retaining fixation hole.
Preferably, the blind cylinder of guiding, pressure holes, the blind cylinder of the guiding and pressure spring one are provided on the pressing ring
End cap dress.
Preferably, the interior trigger is mounted in trigger slot, and outer trigger one end and importing shell installation are fixed, another
End inside is provided with retention bead, and outer trigger is provided on the outside of retention bead one end and is provided with non-slip groove.
Preferably, interior trigger is installed far from second spring mounting groove, first spring is provided on limiting stand one end
Trigger spring is installed between slot, second spring mounting groove.
Preferably, the importing shell, ball is installed in guide sleeve, ball and safety groove assemble, safety groove setting
On the inside of safety collar, and its both ends in the axial direction is closed end.
Preferably, micro pressure sensor, the input of micro pressure sensor are also equipped in the press fit hole
Axis is held out against with press fit hole closed end, and micro pressure sensor end face is adjacent to detection one side end face of pressing plate, detects pressing plate
Another side end face and fixed ring inner side end compress, and the fixed ring outer wall and press fit hole inner wall are filled by threaded engagement
Match, and be pressure through-hole on the inside of fixed ring, pressure short axle one end is held out against after passing through pressure through-hole with detection pressing plate, and the other end is fixed
On drug-push lever；
Be additionally provided with wiring through-hole, connecting groove on the pressure axis, the wiring through-hole by press fit hole with connect
Wire casing connection, route one end are electrically connected after passing through connecting groove, wiring through-hole with the signal end of micro pressure sensor, into electric end；
The route other end is connect with circuit board signal end communication respectively, battery current output terminal is conductively connected, sets of lines
At signal wire and power supply line, signal wire is by micro pressure sensor and circuit board communication connection, and power supply line is by battery current output terminal
It is conductively connected with micro pressure sensor into electric end；
The battery, circuit board are each attached in electrical inner casing, and electrical inner casing is arranged in electrical shell, and described is electrical
Miniature OLED display is further fixed on shell；
It is provided with display circuit on the circuit board, is used to the signal that micro pressure sensor transmitting comes changing into energy
Then the signal identified by miniature OLED display is shown in miniature OLED display；The battery is also respectively circuit
Plate, the power supply of miniature OLED display.
It preferably, further include ampoule, ampoule includes medicine-storing tube, is drug storage inner cylinder inside the medicine-storing tube, and in drug storage
Cylinder one end and piston seal assemble, and piston and the assembly of drug-push lever one end are fixed；
The medicine-storing tube both ends are respectively arranged with the first positive stop end, the second positive stop end, and the second positive stop end is far from medicine-storing tube
It is fixed on one end and screws cylinder, screwed to assemble on the inside of cylinder and ampoule mounting hole by threaded engagement and fix；
The drug-push lever other end passes through the second positive stop end, screws and is packed into after cylinder in press fit hole and and press fit
Hole end surface is adjacent to；
Importing protrusion is fixed on the outside of first positive stop end, importing lobed interior is hollow and passes through setting in the first limit
Intercommunicating pore on the end of position is connected to drug storage inner cylinder.
The beneficial effects of the utility model are:
The utility model can finely tune the elastic force of pressure spring by adjusting knob, so that importing depth is adjusted, it is this to set
Very simple is counted, and very practical, in actual operation, after adjusting importing depth, the absorbability of drug is obviously mentioned
When height, especially different parts import, since different parts skin thickness is different, make only to need a set of lead in this way
Entering instrument can be completed multiple location importing, save the cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is enlarged drawing at F1 in Fig. 1.
Fig. 3 is enlarged drawing at F2 in Fig. 1.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
Referring to figures 1-3, a kind of digital display type needleless introducing apparatus, including, shell 110 is imported, is inside importing shell 110
Hollow installation cavity 111, and import on shell 110 and be also respectively provided with the first spring mounting groove 112, switch through slot 113, peace
Small jar mounting hole 114, the ampoule mounting hole 114 are arranged in 111 one end of installation cavity, and first spring mounting groove 112 is not
Through shell 110 is imported, the switch through slot 113 is connected to through importing shell 110 and with installation cavity 111；
The importing shell 110 passes through 120 inside of screw thread and adjusting knob far from 114 one end outer wall of ampoule mounting hole
It is assembled by threaded engagement, retaining ring 130 is further fixed on the inside of the adjusting knob 120, is provided on the inside of retaining ring 130
Guiding surface 132 is provided on the inside of back stop slot 131 and separate importing 110 one end of shell of retaining ring 130；
The back stop slot 131 by the retaining face 1311 vertical with retaining ring axis and with the inclined compression of retaining ring axis
Face 1312 is constituted, and the compressing surface 1312 is obliquely installed from outside to inside, to pressure 220 direction of axis；
And the back stop slot 131 and raised 750 snap-fits of retaining, the retaining protrusion 750 are packed into pressing ring 140
Retaining mounting hole 143 in, be provided with the first spring on one end that the described retaining protrusion 750 is packed into retaining mounting hole 143
Fixed station 740, the first spring fixed station 740 are fixed with the assembly of 730 one end of retaining spring, 730 other end of retaining spring
It assembles and fixes with second spring fixed station 720, second spring fixed station 720 is arranged on retaining fixed block 710, the retaining
Fixed block 710, retaining spring 730 are packed into retaining mounting hole 143, the retaining mounting hole 143 and retaining fixation hole
144 connections, fixing screws 760 are fixed after passing through a part of retaining fixation hole 144, retaining fixed block 710 with another part retaining
Hole 144 is assembled by threaded engagement and is fixed, to realize the fixation to retaining fixed block 710；
The pressing ring 140 is packed into 130 inside of retaining ring, and the blind cylinder 142 of guiding, pressure are provided on pressing ring 140
Hole 141.When original state, retaining protrusion 750 and 131 snap-fit of back stop slot close to guiding surface 132, in use, using
The box that presses carries out axial pressure to pressing ring 140, so that pressing ring 140 overcomes the elastic force of pressure spring 210 to move to pressure axis
Dynamic, in the process, retaining protrusion 750 is constantly passed through different different back stop slots by the guiding role of compressing surface 1312
131, the compressing force until reaching needs, at this point, since retaining face 1311 and raised 750 sides of retaining are adjacent to, retaining protrusion 750
It can not inversely move.This structure is similar to existing mechanical U-shaped lock.Pressure box can with reference to applying on the same day with this case,
" pressure box " in entitled " a kind of to import the controllable needleless introducing apparatus component of depth " Chinese utility model patent application.
The blind cylinder 142 of the guiding and pressure 210 one end of spring suit, press on 210 other end of spring and pressure axis 220
Spring suit part 221 be set with；The pressure spring, pressure axis are installed in installation cavity 111；
The pressure axis 220 is set on 221 one end of part far from spring and is provided with press fit hole 222, and the axis that presses
220 are provided with limiting stand 223, the limiting stand 223 and interior 160 one end clamping of trigger with switch 113 corresponding position of slot, thus
So that pressure axis 220 is immovable, pressure spring 210 is in compressive state；
Swivel pin 310 passes through 151 side of trigger slot of outer trigger 150,160 middle section of interior trigger and outer trigger 150
The assembly of 151 other side of trigger slot is fixed, so that outer trigger 150 and interior trigger 160 are hinged, the interior trigger 150 is installed
In trigger slot 151, and 150 one end of outer trigger and the importing installation of shell 110 are fixed, are provided with retention bead on the inside of the other end
153, outer trigger 150 is provided on the outside of 153 one end of retention bead and is provided with non-slip groove 152；
Interior trigger 160 is pacified far from second spring mounting groove 161, first spring is provided on 223 one end of limiting stand
Trigger spring 320 is installed, trigger spring 320 is for pushing interior trigger 160 between tankage 112, second spring mounting groove 161
It is rotated clockwise centered on swivel pin 310, so that trigger 160 is caught in limiting stand 223 in keeping；
The outer trigger 150 can be made of elastic material, such as elastoplastic；
The importing shell 110 is provided with 114 one end of ampoule mounting hole and the assembly of guide sleeve 170 is fixed, guide sleeve 170
Outer sheath is equipped with safety collar 330, and the safety collar 330 can move in its axial direction, and when original state, safety collar 330
It is held out against with retention bead 153, so that outer trigger 150 cannot push, that is, interior trigger 160 cannot be opened；
Ball 340 is installed, ball 340 and safety groove 331 assemble, peace in the importing shell 110, guide sleeve 170
The full setting of slot 331 is in 330 inside of safety collar, and its both ends in the axial direction is closed end, so that safety collar 330 can only
It slides in axial direction, 331 axial length range of safety groove, and can reduce between safety collar 330 and guide sleeve 170 by ball
Force of sliding friction.
The press fit hole 222 is also equipped with micro pressure sensor 650, the input of micro pressure sensor 650
Axis 651 is held out against with 222 closed end of press fit hole, and 650 end face of micro pressure sensor and detection 230 1 side end face of pressing plate patch
Tightly, the detection another side end face of pressing plate 230 and 240 inner side end of fixed ring compress, 240 outer wall of fixed ring and press fit
222 inner wall of hole is assembled by threaded engagement, and is pressure through-hole 241 on the inside of fixed ring 240, and pressure 451 one end of short axle, which passes through, applies
It is held out against after pressure through-hole 241 with detection pressing plate 230, the other end is fixed on drug-push lever 450；
Wiring through-hole 225, connecting groove 224 are additionally provided on the pressure axis 220, the wiring through-hole 225 will be applied
Press fit hole 222 is connected to connecting groove 224, and 640 one end of route passes after passing through connecting groove 224, wiring through-hole 225 with micro pressure
The signal end of sensor 650 is electrically connected into electric end, thus for the power supply of micro pressure sensor 650, output micro pressure sensor
650 signal.Preferably, it is spring wire 641 that route 640, which is located at the part of connecting groove 224, and this design is so that route 640 has
It is flexible, it can moving and elongate or shorten with pressure axis 220；
640 other end of route connects with 610 signal end communication connection of circuit board, 620 current output terminal conduction of battery respectively
It connects, route 640 is integrated with signal wire and power supply line, and signal wire is by micro pressure sensor 650 and circuit board communication connection, electricity
Battery current output terminal and micro pressure sensor are conductively connected by source line into electric end；
The battery 620, circuit board 610 are each attached in electrical inner casing 511, and electrical inner casing 511 is arranged in electrical shell
In 510, miniature OLED display 630 is further fixed on the electrical shell 510；
It is provided with display circuit on the circuit board 610, the signal for being used to come micro pressure sensor transmitting turns
At the signal that can be identified by miniature OLED display 630, then it is shown in miniature OLED display 630；Circuit board 610 can
To directly adopt existing OLED driver module.Also respectively circuit board 610, miniature OLED are shown the battery 620
Device 630 is powered.
It further include ampoule, ampoule includes medicine-storing tube 410, is drug storage inner cylinder 411 inside the medicine-storing tube 410, and drug storage
411 one end of inner cylinder and the sealing of piston 440 are assembled, and piston 440 and the assembly of 450 one end of drug-push lever are fixed；
410 both ends of medicine-storing tube are respectively arranged with the first positive stop end 420, the second positive stop end 460, the second positive stop end
460 screw cylinder 470 far from being fixed on 410 one end of medicine-storing tube, screw on the inside of cylinder 470 and ampoule mounting hole 114 through screw thread rotation
It attaches together with fixing, the second positive stop end 460, which is used to limit, at this time screws the maximum distance that cylinder 470 is packed into ampoule mounting hole 114；
After 450 other end of drug-push lever passes through the second positive stop end 460, screws cylinder 470 in loading press fit hole 222
And it is adjacent to 222 end face of press fit hole；
It is fixed with importing protrusion 430 on the outside of first positive stop end 420, imports raised 430 inner hollows and by setting
The intercommunicating pore 421 set on the first positive stop end 420 is connected to drug storage inner cylinder 411.
When original state, pressure spring is not pressurized, and safety collar is held out against with retention bead 153, and interior trigger 160 is packed into limit
It is held out against in platform 223 with limiting stand 223；
Piston is located at drug storage inner cylinder 411 close to 420 side of the first positive stop end.
In use, pressing first to pressing ring 140, so that pressure spring is pressurized, elastic force is stored；Then by the importing of ampoule
Protrusion 430 immerses in the drug or nutrient solution for needing to import, and then pulls piston 440 to the second positive stop end 460 by drug-push lever
It is mobile, until the drug in drug storage inner cylinder 411 reaches demand, cylinder 470 then will be screwed by being threaded into ampoule mounting hole
In 114, until drug-push lever 450 is packed into press fit hole 222 and is adjacent to 222 inner face of press fit hole；
Then it can be imported, before importing, the bullet of pressure spring 210 can be finely tuned by rotation of adjustment knob 120
Power then increases pressure if adjusting knob 120 is to pressure axis precession, to far from pressure axis direction precession, then reduces pressure spring bullet
Power.Pressure in last drug storage inner cylinder 411, different pressure energy can be directly adjusted by adjusting pressure spring force
Obtain different importing depth；And drug-push lever pressure real-time display is seen in miniature OLED display convenient for operator
It examines, consequently facilitating adjusting drug-push lever pressure.
Finally, being pressed on protrusion 430 is imported on the skin for needing to import, then safety collar 330 is pushed away to ampoule direction
It is dynamic, so that safety collar 330 is separated with retention bead 153, at this point, the outer trigger 150 of pressing is provided with 152 side of protective trough and can drive
Trigger 160 overcomes 320 elastic force of trigger spring to rotate counterclockwise centered on articulated shaft 310 in dynamic, so that interior trigger is detached from
In limiting stand 223, access switch slot 113, at this point, the pressure of pressure spring 210 is to pressure 220 abrupt release of axis, press axis 220
The pressure for the spring that in pressure transmission to drug-push lever 450, finally presses is acted directly on the drug in drug storage inner cylinder 411, medicine
Object obtains momentary pulse pressure, and is entered in pore by this pressure, imports skin.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of digital display type needleless introducing apparatus, including, shell is imported, importing interior of shell is hollow installation cavity, it is characterized in that:
And import on shell and be also respectively provided with the first spring mounting groove, switch through slot, ampoule mounting hole, the ampoule mounting hole is set
It sets in installation cavity one end, first spring mounting groove does not run through importing shell, and the switch through slot is through importing shell
And it is connected to installation cavity；
The importing shell is far from ampoule mounting hole one end outer wall by being filled on the inside of screw thread and adjusting knob by threaded engagement
Match, retaining ring is further fixed on the inside of the adjusting knob, is provided with back stop slot on the inside of retaining ring；
And the back stop slot and retaining protrusion snap-fit, the retaining protrusion are packed into the retaining mounting hole of pressing ring；
The pressing ring is packed on the inside of retaining ring, pressing ring and pressure spring assembly, on the pressure spring other end and pressure axis
Spring suit part be set with；The pressure spring, pressure axis are installed in installation cavity；
The pressure axis is set on the one end of part far from spring and is provided with press fit hole, and press axis and switch slot corresponding position
It is provided with limiting stand, the limiting stand and the clamping of interior trigger one end；
The outer trigger that swivel pin passes through the trigger slot side of outer trigger, interior trigger middle section and the trigger slot other side assembles solid
It is fixed；
The importing shell is provided with ampoule mounting hole one end and guide sleeve assembly is fixed, and guide sleeve outer sheath is equipped with safety
Ring, when original state, safety collar is held out against with retention bead.
2. digital display type needleless introducing apparatus as described in claim 1, it is characterized in that: retaining ring is far from the inside for importing shell one end
It is provided with guiding surface.
3. digital display type needleless introducing apparatus as claimed in claim 2, it is characterized in that: the back stop slot with retaining ring axis by hanging down
It straight retaining face and is constituted with the inclined compressing surface of retaining ring axis, the compressing surface inclines from outside to inside, to pressure axis direction
Tiltedly setting.
4. digital display type needleless introducing apparatus as described in claim 1, it is characterized in that: the retaining protrusion is packed into retaining mounting hole
The first spring fixed station is provided on interior one end, the first spring fixed station and the assembly of retaining spring one end are fixed, only
The extractor other end and the assembly of second spring fixed station are fixed, and second spring fixed station is arranged on retaining fixed block, described
Retaining fixed block, retaining spring are packed into retaining mounting hole, and the retaining mounting hole is connected to retaining fixation hole, fixed spiral shell
Nail is assembled by threaded engagement with another part retaining fixation hole after a part of retaining fixation hole, retaining fixed block and is fixed.
5. digital display type needleless introducing apparatus as described in claim 1, it is characterized in that: it is blind to be provided with guiding on the pressing ring
Cylinder, pressure holes, the blind cylinder of the guiding and pressure spring one end suit.
6. digital display type needleless introducing apparatus as described in claim 1, it is characterized in that: the interior trigger is mounted in trigger slot,
And outer trigger one end and importing shell installation are fixed, are provided with retention bead on the inside of the other end, outer trigger is provided with retention bead
Non-slip groove is provided on the outside of one end.
7. digital display type needleless introducing apparatus as claimed in claim 6, it is characterized in that: interior trigger on limiting stand one end far from being provided with
Second spring mounting groove is equipped with trigger spring between first spring mounting groove, second spring mounting groove.
8. digital display type needleless introducing apparatus as described in claim 1, it is characterized in that: being installed in the importing shell, guide sleeve
There is ball, ball and safety groove assemble, and safety groove is arranged on the inside of safety collar, and its both ends in the axial direction is closed end.
9. digital display type needleless introducing apparatus as described in claim 1, it is characterized in that: being also equipped in the press fit hole micro-
Type pressure sensor, input shaft and the press fit hole closed end of micro pressure sensor are held out against, and micro pressure sensor end
Face is adjacent to detection one side end face of pressing plate, and detection another side end face of pressing plate and fixed ring inner side end compress, the fixed ring
Outer wall and press fit hole inner wall are assembled by threaded engagement, and are pressure through-hole on the inside of fixed ring, and pressure short axle one end passes through
It is held out against after pressure through-hole with detection pressing plate, the other end is fixed on drug-push lever；
It is additionally provided with wiring through-hole, connecting groove on the pressure axis, the wiring through-hole is by press fit hole and connecting groove
Connection, route one end are electrically connected after passing through connecting groove, wiring through-hole with the signal end of micro pressure sensor, into electric end；
The route other end is connect with circuit board signal end communication respectively, battery current output terminal is conductively connected, and route is integrated with
Signal wire and power supply line, signal wire by micro pressure sensor and circuit board communication connection, power supply line by battery current output terminal with it is micro-
Type pressure sensor is conductively connected into electric end；
The battery, circuit board are each attached in electrical inner casing, and electrical inner casing is arranged in electrical shell, on the electrical shell
It is further fixed on miniature OLED display；
It is provided with display circuit on the circuit board, being used to change into the signal that micro pressure sensor transmitting comes can be micro-
The signal of type OLED display identification, is then shown in miniature OLED display；The battery is also respectively circuit board, micro-
The power supply of type OLED display.
10. digital display type needleless introducing apparatus as described in claim 1, it is characterized in that: further including ampoule, ampoule includes medicine-storing tube,
It is drug storage inner cylinder inside the medicine-storing tube, and drug storage inner cylinder one end and piston seal assemble, piston and drug-push lever one end are assembled
It is fixed；
The medicine-storing tube both ends are respectively arranged with the first positive stop end, the second positive stop end, and the second positive stop end is far from medicine-storing tube one end
On be fixed with and screw cylinder, screw on the inside of cylinder and ampoule mounting hole through threaded engagement assembly fixation；
The drug-push lever other end passes through the second positive stop end, screw be packed into after cylinder in press fit hole and with press fit nose end
Face paste is tight；
Importing protrusion is fixed on the outside of first positive stop end, importing lobed interior is hollow and by being arranged in the first positive stop end
On intercommunicating pore be connected to drug storage inner cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822025199.XU CN209564469U (en) | 2018-12-04 | 2018-12-04 | A kind of digital display type needleless introducing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822025199.XU CN209564469U (en) | 2018-12-04 | 2018-12-04 | A kind of digital display type needleless introducing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN209564469U true CN209564469U (en) | 2019-11-01 |
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| CN201822025199.XU Active CN209564469U (en) | 2018-12-04 | 2018-12-04 | A kind of digital display type needleless introducing apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053077A (en) * | 2021-12-03 | 2022-02-18 | 中国人民解放军空军军医大学 | Auxiliary supporting device for spinal correction |
-
2018
- 2018-12-04 CN CN201822025199.XU patent/CN209564469U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114053077A (en) * | 2021-12-03 | 2022-02-18 | 中国人民解放军空军军医大学 | Auxiliary supporting device for spinal correction |
| CN114053077B (en) * | 2021-12-03 | 2024-02-06 | 中国人民解放军空军军医大学 | Auxiliary supporting device for spinal correction |
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